<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" class="input-with-select" 
                    v-model="queryInfo.query" 
                    clearable
                    @clear="getGoodsList"
                >
                <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4"> 
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>

        <!-- table表格区 -->
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index">
            </el-table-column>
            <el-table-column  label="商品名称" prop="goods_name">
            </el-table-column>
            <el-table-column  label="商品价格(元)" prop="goods_price" width="95px">
            </el-table-column>
            <el-table-column  label="商品重量" prop="goods_weight" width="70px">
            </el-table-column>
            <el-table-column  label="创建时间" prop="add_time" width="150px">
                <template v-slot="scope">
                    {{scope.row.add_time|dateFormat}}
                </template>
            </el-table-column>
             <el-table-column  label="操作"  width="200px">
                <template v-slot="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"
                    @click="editById()">编辑</el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini"
                    @click="removeById(scope.row.goods_id)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background="">
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    data(){
        return{
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10,
            },
            //商品列表
            goodsList:[],
            //总数据条目
            total:0,
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        //根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res}=await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            // console.log(res.data)
            this.goodsList=res.data.goods
            this.total=res.data.total
        },
        //
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
        },
        //当前页码值
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },

        editById(){

        },

        async removeById(id){
            const confirmResult=await this.$confirm('此操作将永久删除该商品，是否继续？','提示',{
                confirmButtonText:'确定',
                cancelButtonText:'取消',
                type:'warning'
            }).catch(err=>err)
            if(confirmResult!=='confirm'){
                return this.$message.info('已经取消删除')
            } 
            const {data:res}=await this.$http.delete(`goods/${id}`)
            if(res.meta.status!==200){
                return this.$message.error('删除失败！')
            }
            this.$message.success('删除成功!')
            this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>

</style>